1: (0 2 6)

(0)(1 20 18 9 4)(2 21 6 19 17 15 3)(5 10 7)(8 13 11)(12 16 14)

2: (1 9 4)

(0)(1)(2 21 6 19 17 15 3)(4)(5 10 7)(8 13 11)(9 20 18)(12 16 14)

3: (5 10 7)

(0)(1)(2 21 6 19 17 15 3)(4)(5)(7)(8 13 11)(9 20 18)(10)(12 16 14)

4: (3 6 19)

(0)(1)(2 21 6)(3 17 15)(4)(5)(7)(8 13 11)(9 20 18)(10)(12 16 14)(19)